The length of arc is 69.1 feet
<em><u>Solution:</u></em>
<em><u>The length of arc when angle given in degrees is given as:</u></em>

Where,
r is the radius
is the central angle in degrees
From given,

<em><u>Substituting the values we get,</u></em>

Thus the length of arc is 69.1 feet
Answer:
I believe the answer is B. Hope it helps.
Answer:
x = 13
Step-by-step explanation:
m∠ABC + m∠CBD = 180° {linear pair}
3x + 43 + 6x + 20 = 180
3x + 6x + 43 + 20 = 180
9x + 63 = 180
9x = 180 - 63
9x = 117
x = 117/9
x = 13
She will donate 24 books to the library. (I don't know how you would model it, I assume you do.)
It’s 32 the answer is the square root of 32